ACCRUED LIABILITIES - (Tables)

6 Months Ended

Jun. 30, 2013

Payables and Accruals [Abstract]

Summary of accrued liabilities

A summary of our accrued liabilities is as follows (in thousands):

	June 30, 2013		December 31, 2012
Accrued insurance reserves	$	10,123	$	9,816
Accrued materials	8,987		5,745
Accrued compensation and benefits	7,379		7,381
Accrued property, sales and other taxes	3,828		4,632
Accrued rent	2,416		1,904
Accrued interest	1,757		547
Other	4,925		6,405
	$	39,415	$	36,430